Base gas tracker: base fee + slow/standard/fast tiers in gwei. $0.001 per call. No input needed.

Current weather + 3-day forecast for any latitude/longitude, powered by Open-Meteo. $0.001 per call. No account or API key needed.

Korean stock corporate-action adjustment factors, survivorship-free (KOSPI and KOSDAQ, including delisted companies): stock splits, reverse splits, bonus issues, rights offerings, capital reductions and stock dividends with ex-date, ratio and the cumulative factor, each citing its OpenDART filing. Factors only, no prices.

Perp funding rate + mark price for any Hyperliquid perps symbol. $0.001 per call. Send {"symbol"}.

Delisted KOSPI and KOSDAQ stocks by delisting or last trading date, for survivorship-bias-free backtests and universe construction: stock code, name, dates and the DART filing behind each delisting.

UK Energy Performance Certificate (EPC) ratings by postcode.

Submit a prediction-market trade idea to the Overwatch Desk (Kalshi or Polymarket). Your estimate is locked before any price is shown. Accepted ideas are traded with the desk's own money; you get a negotiable share (15-50%) of realised profit to your Base address. Every submission gets a decision and reason: GET /desk/{id}. Body: venue, market, side, estimate, max_price, payout_address, evidence_url or backtest.

On-page SEO audit of one URL: title and meta description length, canonical, robots meta and X-Robots-Tag, robots.txt allow for user-agent *, sitemap.xml with URL count, lang, hreflang, h1-h3 outline, word count, images without alt, internal/external links, Open Graph, Twitter card, JSON-LD schema.org types, favicon, viewport, mixed content; each check pass/warn/fail with a fix and a 0-100 score.

HTTPS security headers of a public website's homepage (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy) with concrete fixes.

Sentiment classification (positive/negative/neutral) + emotion keyword hits.

Detects PII (emails, phones, SSNs, credit cards) in any text with character spans. Compliance agents use this before processing user data.

Extracts all outbound links from a page, classified by domain. Shows where a page links to and which domains dominate.

Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs.

FX rates (daily reference — not real-time). $0.004 per call. Send {"pair":"USDVND"}.

Novelty randomness API. $0.001 per call. Random facts, coin flips, dice rolls — for games, decisions, and fun.

New-token screener: latest profiled tokens ranked by liquidity. $0.008 per call. Send {"min_liq","max_age_h"}.

Run your Wazuh rules and decoders on a real wazuh-manager 4.14.9 against up to 10 log lines: did your rule fire, decoded fields, full alert, load warnings.

Extract every link from a page in a real browser, returned as a JSON list

Find up to five exploratory Base USDC x402 services for a task and budget, using a refreshed partial Coinbase/PayAI catalogue, Jev advertised relevance and freshly observed matching 402 prices. Returning non-robot payer counts and service fulfillment remain unknown; these suggestions do not establish a best service.

Daily digest and market analysis report of the Japanese game industry: original English-language analysis and news summaries curated from Japanese-only sources, with a link to every original article. Updated once per day. No API keys, no sign-up — pay per call in USDC on Base via x402.